baber/WOPTO huggingface dataset:
Patent GB-564113-A (GB)
Title: Internal keyway grinder
IPC: B24B19/02
Filed: 1943-03-09
Abstract: 564,113. Grinding internal keyways &c. CARROLL, G. B. March 9, 1943, No. 3819. [Class 60] A machine for grinding internal keyways, gears, &c. comprises a shaft with a grinding- wheel having its plane parallel to the shaft which is mounted in, and rotates with, a rotatable control head, means being provided for adjusting the shaft laterally with respect-to the head in two directions at right angles.. The grinding-wheel 54, Fig. 11, is carried on a shaft 53 rigidly connected with a box-like member 47 which slides in a second similar member 44 sliding in a square hole in the control head 32. The member 47 engages the member 44 by inclined keyways 48, Fig. 11, on the vertical faces, and the member 44 engages the head 32 by inclined horizontal keyways 46, whereby longitudinal movement of these members effects their transverse adjustment. The members are provided with flanges 45, 49 engaged by forked operating members 76, 91, the flange 49 also moving between a pair of adjustable stops 96, 97. The members 91 are formed on a sliding member 88 operated periodically by hydraulic cylinders 92. The fork 76 is formed on a screwed rod 73 fed by a nut 84, Fig. 8, which can be rotated, for setting, by a hand wheel 81, and for feed by a ratchet 83. The stop members 96, 97.are carried by separate rods 98, 99 engaged by oppositely inclined bars 101 on a frame 103 which is moved by a screwed rod 105 engaged by a ratchet-operated nut 110 for feeding, and operated for setting by a hand wheel 105<1>. The parts of the keyway are operated in the sequence a, b, c, d, Fig. 10, the shaft being turned through 180 degrees between the corners a and b, and back again between c and d. This motion is effected by a rack 35, Fig. 15, operated hydraulically and engaging teeth on the control head 32 which rotates between circumferential stops. The rack is provided with projections 87, 115 by which the pawls are operated to effect the feeding movements of the rod 73 and the two rods 98, 99 respectively, at the end of each upward movement. The grinding-wheel is mounted on a transverse spindle 62 and is driven from a motor 66 by a belt passing through the shaft. The work, shown as a pump barrel 126, Fig. 4, is clamped on a V-block 118 secured to a slide 22 which is reciprocated on a bed 21. The barrel is correctly positioned by engaging the horizontal edge of a setting member 133 with blocks 130 temporarily placed in bores in the barrel.
Patent GB-414682-A (GB)
Title: Improvements in or relating to valves
IPC: F16K5/22
Filed: 1933-02-08
Abstract: 414,682. Lubricating-valves. BARD, F. N., Highland Park, Illinois, and WALWORTH PATENTS Inc., 28, Albany Street, Boston, both in U.S.A. Feb. 8, 1933, No. 3865. [Class 12 (ii).] In rotary conical plug valves of the type in which lubricant is conveyed under pressure to grooves in the valve surfaces and serves to lift the valve slightly from its seat to facilitate turning, approximately semicircular pairs of grooves 40, 47 are formed in the top and bottom of the valve 17 with ends 41, 48 slightly overlapping and a pair of diametrically opposed longitudinal grooves 37, 38 interconnect the grooves 40, 47. A further pair of opposed longitudinal grooves 50, 51 are connected with the grooves 40, 47, only when the valve is in the closed position shown and the perpendicular closed position, by short grooves 52 and 53 in the seating 8 of the valve adjacent the grooves 40 and by similar grooves 54, 55 adjacent the grooves 47. Oil is supplied to the grooves 40, under the pressure of a screw 46 on the spindle 16 of the valve, past a non-return valve 45 and through radial passages 44 44<a>, axial play against the pressure of resilient packing 28 being allowed between the valve and its cover 22. The valve is capable of turning only through 90‹ in the counter-clockwise direction from the position shown, so that the grooves 27, 38 do not encounter the fluid passed by the valve, while when the grooves 50, 51 are passing across the valve passages they are disconnected from the grooves 40, 47 and the loss of oil is minimized. The grooves form a substantially complete seal around the valve ports 6, 7. The grooves in the valve and valve casing may be transposed, and may be suitably rearranged if the valve movement is to be clockwise.
Patent GB-213383-A (GB)
Title: Improvements in holders for thermionic tubes
IPC: H01R33/76
Filed: 1923-02-09
Abstract: 213,383. Beswinning's, [Firm of], and Beswick, R. E. Feb. 9, 1923. Vacuum tubes.-A holder for a thermionic valve has a raised platform about one of the sockets, preferably that which receives the anode leg of the valve, so as to prevent wrong insertion. A step S with a curved or straight face is formed in the insulating block A, and the top of the anode socket P is flush with the platform thus formed, or, as shown, on a level with the other sockets G. A boss B may be provided around the anode socket.
Patent GB-607569-A (GB)
Title: Improved stuffing box
IPC: E21B33/08
Filed: 1946-02-08
Abstract: 607,569. Stuffing-boxes. BROWN, W. A., and LE GRAND, SUTCLIFF, & GELL, Ltd. Feb. 8, 1946, No. 4024. [Class 122 (v)] A stuffing-box for oil well or like installations, consisting of a primary sealing means in the form of a packing ring or rings 3 which are maintained in sealing contact with the polished rod 2, passing through the centre of the cylindrical casing 1, by means of the adjusting ring 6 bearing on a pressure sleeve 5. A secondary sealing means, consisting of a tapered rubber or other elastic sleeve 8, which is accommodated in the portion 9 of the casing 1 fits into position with a wedge action, but has an initial clearance fit 11. Pressure can be applied to the wide end of the sleeve 8 by a pair of diametrically opposite cam discs 12 operated by the handle'16, thereby maintaining a sealing engagement with the polished rod 2, during which the main sealing means can be removed and replaced when necessary.
Patent GB-1500808-A (GB)
Title: Indicator device for use with shaving equipment
IPC: A45D27/24
Filed: 1975-01-30
Abstract: 1500808 Counting apparatus W H H SUTCLIFFE 30 Jan 1975 4035/75 Heading G4D A support for a safety razor includes a hook 8 into which the razor is placed and which under the weight of the razor, and against the action of a spring 14, tilts to drive a pawl-andratchet mechanism 22, 24 to rotate a numbered wheel 28 to indicate the number of times the blade has been used.
Patent GB-554055-A (GB)
Title: Improvements in and relating to tubular electrical condensers
IPC: H01G4/224
Filed: 1942-03-27
Abstract: 554,055. Condensers. RAHT, M., and WEGO, CONDENSER CO., Ltd. March 27, 1942, No. 4063. [Class 37] The ends of a tubular condenser casing are closed by discs secured to rings fixed to the tube. In the example wound condenser units 1 ... 4 connected in series on an insulating tube 6 are embedded in insulating material in a tube 5. Metal discs 7, which may be single or double as shown, closing the ends and being secured by rings 8, shown as of metal sprung into the tube and soldered to the discs. Connecting leads 10 serve as terminals. In modifications, the slits in the rings are forced apart by conical screws and the whole soldered. Where the insulating outer tube is of porcelain, a ring of soft metal may be let into the inner wall to receive the spacing ring 7 which is expanded and soldered. Where the tube is of metal the disc may be annular with an insulating boss, the metal edge being soldered to a single metal ring surrounding the end of the tube.
Patent GB-910842-A (GB)
Title: Improvements in and relating to textile winding machines
Inventor: MACKIE JOHN KAY PRINGLE
IPC: G11B15/34
Filed: 1960-02-04
Abstract: 910,842. Variable-speed control. MACKIE & SONS Ltd., JAMES. Feb. 3, 1961 [Feb. 4, 1960], No. 4085/60. Class 80 (2). [Also in Group IX] In a machine for winding cones &c. on a spindle driven by a motor through an expanding pulley, speed control means are provided which move away from the spindle as the package grows and in so doing cause the motor to be moved relatively to the spindle and thus allow the pulley to adjust itself to decrease the angular velocity of the spindle. As shown, spindle 14 is driven from a motor 16 through a belt 18 and an expansible pulley 34, 36 having one cheek urged towards another by a spring or magnetic or pneumatic means, the belt being so arranged that initially the effective diameter of the pulley is a minimum. The motor is carried by a pivoted bracket 17 suspended by a chain 33 from an arm 27 which rotates on a shaft 28 as the traverse-arm 26 is rotated by the growth of the package. Accordingly as winding proceeds, the motor is gradually raised to allow the belt to rise in the pulley and slow down the spindle-shaft. The face 40 of lever 27 may be profiled to vary the relationship between the package diameter and winding speed. In another form, the motor is above the package and the expanding pulley on the motor shaft; the motor rises as the package grows to decrease the effective diameter of the pulley.
Patent GB-1028214-A (GB)
Title: Improvements in or relating to gas burners
IPC: F24C3/10
Filed: 1963-02-01
Abstract: 1,028,214. Igniting gas burners. ELECTROLUX Ltd. Feb. 1, 1963 [March 23, 1962], No. 4161/63. Headings F4F and F4T. A gas burner for a refrigerator comprises a safety valve 19 held in open position by an electromagnet 31 energized by a thermocouple 29A heated by the burner flame, and an axially movable flashback ignition tube 36 coupled to a push-rod 33 for opening the safety valve at starting. When the push-rod is depressed against the action of a spring 34 it opens the valve 19 against the action of a valve spring 20 and the end of the ignition tube is moved over the burner. A match is then applied to the other end of the ignition tube. The movement of the ignition tube is made greater than that of the valve by arranging that the push-rod moves a certain distance before contacting the valve and by providing the pushrod with a push-button movable with respect to the rod against the action of a spring 35. The burner comprises a tube having a perforated upper part surrounded by a sleeve 27. The gas supply is also controlled by a manual valve 11 and an adjustable thermostatic valve actuated by a heat-sensitive body 14.
Patent GB-667380-A (GB)
Title: Improvements in or relating to pressing irons
IPC: D06F75/26
Filed: 1949-02-16
Abstract: 667,380. Thermometers. NATIONAL PRESSURE COOKER CO. Feb. 16, 1949 [Sept. 3, 1948], No. 4287/49. Class 97 (iii). [Also in Group VIII] Temperature indicating means located in the top of the handle 217 of a pressing iron is actuated by heat-responsive means which moves in response to variations in the temperature of the sole plate 203. A bimetallic spirally wound strip 253 is located in a well 271 in the sole plate and has one end secured in a slot 265 of a sleeve 267. The other end 255 of the strip 253 is fixed in a slot in a downwardly turned tongue 259 of a disc 261. Movement of the bimetallic strip 253 is communicated to a pointer 287 by a rigid wire 283 connected to the sleeve 267. The pointer is located in a recess 297 in the top of the handle and is visible through a curved slot 295 in a metal plate 294. A dial face with suitable temperature indications is disposed either on top of the plate 294 or underneath the pointer. The recess may alternatively be covered by a transparent plastic window. The wire 283 may rotate within a tube 291 which is provided at its upper end with a bearing 292 for the wire and pointer. The invention may also be applied to the steam iron of Specification 648,928, [Group VIII], see Fig. 1 (not shown). In Fig. 6 (not shown) the disc 261 is eliminated by forming the outer end of the spiral bimetallic strip into a general L-shape and securing it in a correspondingly shaped passageway in the sole plate itself.
Patent GB-238178-A (GB)
Title: Improvements in a method of building tread bands and a machine for carrying out the method
IPC: B29D30/52
Filed: 1925-02-16
Abstract: 238,178. Thompson, K. J. Aug. 11, 1924, [Convention date]. Tyres, elastic, special apparatus for making. - A tread band for application to a tyre casing is formed by applying successively strips of breaker fabric and cushion rubber to an endless band of tread rubber, splicing the strips individually, and passing the band between pressure-rolls. In a machine for carrying out the method, the tread band 60 is laid over rollers 29, 30, 34 and between pressure-rollers 15, 16. The roller 15 is driven from a motor 36 and geared to the roller 34, the surface-speed of the roller 34 being less than that of the roller 15, so as to prevent puckering of the rubber &c. In the construction shown, an endless apron 33 is fitted over the rollers 34, 30, the latter being adjustable for tensioning and alignment purposes. The roller 16, the pressure of which is controlled by an adjustable spring 21, is carried in, a pivoted frame 22 so as to admit of being swung clear of the roller 15 for insertion or withdrawal of the band. The frame 22 is counterbalanced by a weight 26 and is held in the operative position shown by means of a hook 24 engaging a pin 25 on the frame. Arranged at the sides of the apron 33 are curved guides 44 mounted on a shaft 45 adapted to be rocked from a treadle 43 which also operates a driving clutch to start the roller 15 when the guides are raised, and vice versa.. The rollers 15, 16 are preferably formed with a hard rubber centre and a sponge or other soft rubber surface.
Patent GB-1023218-A (GB)
Title: Substituted pyrido [2,3-e]-triazine 1-oxides
IPC: C07D471/04
Filed: 1963-02-01
Abstract: The invention comprises compounds of general formula <FORM:1023218/C2/1> wherein R is hydrogen, lower (i.e. 1-4 C) alkyl or halogen, and Y is mono(lower alkyl)amino, di(lower alkyl)amino, lower alkoxy, hydrazino, piperidino, morpholino, cyclohexylamino, phenethylamino, mercapto or di(lower alkyl)amino lower alkyl-amino; and their preparation by (1) when Y is other than alkoxy or mercapto, reacting two molecular proportions of a compound HY with one molecular proportion of a compound <FORM:1023218/C2/2> in an inert solvent at 0-10 DEG  C., (2) when Y is lower alkoxy, replacing reactant HY by an alkali metal alkoxide, (3) when Y is mercapto, replacing reactant HY by thiourea, and refluxing.  Starting materials prepared are guanidines of general formula <FORM:1023218/C2/3> from guanidine and the 2-chloro-pyridine, and thence, by reaction with water and a catalyst amines of general formula <FORM:1023218/C2/4> These with nitrous acid yield the hydroxy compounds of general formula <FORM:1023218/C2/5> from which with phosphorus oxychloride starting materials II are obtained.
Patent GB-1027981-A (GB)
Title: Asphalt mixing plant
Inventor: DEWSHURST GEORGE PERCY
IPC: E01C19/05
Filed: 1964-02-01
Abstract: 1,027,981. Drying stone &c. MUNICIPAL APPLIANCES CO. Ltd. Feb. 22, 1965 [Feb. 1, 1964], No. 4375/64. Heading F4G. In an asphalt mixing plant, feed hoppers 10 deliver measured quantities of material to an endless band inclined elevator 11 above which infra-red heaters 16 are positioned to dry the material whilst being conveyed without agitation on the conveyer before discharge through a vibrating screen 13 to storage bins 12 and the material is then fed through ducts 14 to one or more asphalt mixers 15.
Patent GB-572084-A (GB)
Title: Improvements in and relating to snap-action devices particularly applicable to electric switches
IPC: H01H13/36
Filed: 1944-03-09
Abstract: 572,084. Snap-action switches. BRITISH THOMSON-HOUSTON CO., Ltd. March 9, 1944, No. 4404. Convention date, March 12, 1943. [Class 38 (v)] Depression of a push button 31 automatically or by hand carries two compression members 16, 17 past a dead centre position with respect to a tension member 11 connecting their ends so that this snaps upwards and, for example, removes contacts 18, 19 from fixed contacts 40 ; the member 11 remains in its upper position when the button 31 returns and can only be reset by another button 43. The members 16, 17 may consist of two tongues cut out of the spring 11 and their inner ends may pivot about notches in the ends 32 of a spring attached to the push button 31. Specification 564,681 is referred to.
Patent GB-1091104-A (GB)
Title: Improvements in and relating to an implement for injecting a gas or liquid into the soil
IPC: A01M17/00
Filed: 1966-02-13
Abstract: 1,091,104. Agricultural implements. H. VISSERS. Feb. 1, 1966 [Feb. 3, 1965, No. 4459/66. Heading A1B. An implement for injecting a gas or liquid into the soil comprises a harrow having tines 20 mounted on beams 17 which are transversally reciprocated, the front beam 17 being provided with tines 4 having channels leading out to the back of the tines for conducting the liquid or gas to the soil. A pipe 22 is connected with a metering device and is also connected to the tines 4 by hoses 21.
Patent GB-653533-A (GB)
Title: Improvements in or relating to a constant weight fluid control apparatus
IPC: G05D7/06
Filed: 1948-02-16
Abstract: 653,533. Automatic mass flow control systems. GARRETT CORPORATION. Feb. 16, 1948, No. 4461. Convention date, Sept. 3, 1946. [Class 38 (iv)] A constant weight fluid flow control device comprises a valve 15 for regulating the rate of fluid flow through a duct 5, and is responsive to both variations in fluid pressure differential on either side of an orifice 8 in the duct and variations in fluid density in the duct to maintain the weight flow constant. As shown, a diaphragm 27 is acted upon by the pressure on either side of the orifice 8, through tubes 36, 37. A rod 66 is rigidly connected to the diaphragm at 67 so that by means of a lever 64 pivoted at 65, and bell-crank lever 59, an arm 56 carrying contact 57 is positioned between oscillatory contacts 41, 42 on resilient arms 39, 40. The contacts 41, 42 are oscillated in unison by means of a cam 45 operated continuously by a motor 50. A density-responsive bellows 35 in the relatively low-pressure part of the duct also positions arm 56 through lever 70, pivoted at 71, rod 66, and levers 64, 59 so that arm 56 is positioned according to the variations in the pressure differential on either side of the orifice 8 and variation in fluid density. A tension spring 62 serves to regulate the amount of movement of arm 56. For a predetermined value of weight flow the arm 56 is positioned so that contact 57 will not make contact with oscillatory contacts 41, 42, but upon a departure from the predetermined value owing to the action of the diaphragm and bellows it will be moved to a position such that for each oscillation of the contacts 41, 42 one of these will make contact with 57 for a time depending on the extent of departure. Closure of contacts 41, 57 or 42, 57 closes a circuit to one field winding or the other of a reversible motor 20, operating through gears 17, 18 the valve 15 in a sense to correct for the departure of the weight flow from the predetermined value. Limit switches 80, 81 are provided.
Patent GB-1514917-A (GB)
Title: Door closure units
IPC: E05F1/12
Filed: 1975-02-01
Abstract: 1514917 Spring hinges CROMPTON NETTLEFOLD STENMAN Ltd 23 Jan 1976 [1 Feb 1975 19 July 1975] 4462/75 and 30365/75 Heading E2F A spring hinge for connection between a door and door post is provided with three axially aligned, tubular portions, the outer two 41, 42 are rigidly interconnected and are provided with means 45 for connection to the door or post, the centre portion 47 is also provided with connection means 48 and is mounted for pivotal movement relative to the portions 41, 42; a shaft 50 extending through the three portions to hold them in alignment and permit pivotal movement and two torsion springs 59, 60 which are each connected to portion 47 and to a respective portion 41, 42. A central portion 55 of shaft 50 is slotted at 56 to receive ends of the springs and has a number of apertures 67 which can be selectively engaged by a pin 68. A slot 69 in the portion 49 receives the pin 68 and the torsional loading of the springs is adjusted by selecting which aperture 67 receives the pin. The portions 45, 48 are adapted to engage in sockets secured to the door and door post.
Patent GB-1416265-A (GB)
Title: Hole liner for printed circuit boards
IPC: H01R12/58
Filed: 1973-01-30
Abstract: 1416265 Two-part coupling MOLEX Inc 30 Jan 1973 [15 March 1972] 4513/73 Heading H2E A cylindrical metallic liner for a wiring hole 12 in a printed circuit board 16 snaps into place on insertion, ready for entry of lead 22 of component 24, which is intruded between tapered jaws 38, 40 by which it is gripped. On insertion with pointed end 44 leading, movement of the liner is halted by ears 30, and outwardly sprung latch segment 32 with associated jaw 38 snaps under the board to retain the liner, ears 30 and/or segment 32 making electrical contact with one or more metallized layers on the surfaces of the board. Subsequent insertion of wire 22 through jaws 38, 40 increases the firmness of the retention of the liner, while the wire is gripped against withdrawal by the angular set of the jaws. On soldering, the wire 22 becomes bonded to the liner 10 and to any metallized layer on the board adjacent to the hole. Ears 30 may be replaced by beading (52, Fig. 8, not shown).
Patent GB-539378-A (GB)
Title: An improved transparency mount
IPC: G03B21/64
Filed: 1941-04-04
Abstract: 539,378. Picture frames &c. KODAK, Ltd. April 4, 1941, No. 4525. Convention date, April 10,1940. [Class 11] [Also in Group XX] A holder for photographic transparencies comprises a thin aluminium &c. blank having a central aperture 1, Fig. 1, surrounded ' by embossings 2, 3, which serve to locate the transparency, the blank having flaps 5, which are bent over on to the centre part and are spaced therefrom by the embossings. Additional embossings 4 on the flaps pass between those on the body. The margins 6, Fig. 6, of the flaps are bent, so as to have a line contact with the transparency T. The flaps are separated by small curved portions 8 to give smooth corners to the holder.
Patent GB-1486482-A (GB)
Title: Trisazo dyestuff and its preparation
IPC: C09B35/44
Filed: 1975-02-03
Abstract: 1486482 Trisazo benzanilide dyestuff AZIENDE COLORI NAZIONALI AFFINI ACNA SpA 3 Feb 1975 [4 Feb 1974] 4562/76 Heading C4P [Also in Division C2] A trisazo dye has the formula It is prepared by coupling 4,41-diaminobenzanilide after tetrazotization under acidic conditions with 1-amino-8-naphthol-3,6-disulphonic acid, the resulting product being coupled under alkaline conditions with diazotized paminobenzene sulphonic acid, and the then resulting product is coupled under alkaline conditions with m-hydroxy-phenylglycine. The dyestuff dies natural and synthetic polyamides, particularly leather, dark black with greenish shades.
Patent GB-110150-A (GB)
Title: Improvements in and relating to Steam Generating Apparatus Employing Liquid.
IPC: F23D99/00
Filed: 1917-03-30
Abstract: 110,150. General Engineering Co., (Assignees of Doble, A.). Sept. 23, 1916, [Convention date]. Lighting burners by electric devices.-In steamgenerating apparatus employing liquid fuel, the mixture of sprayed fuel and air is ignited bv a coil of wire 23 rendered incandescent by an electric current. The coil is mounted on a plug 27 carried by arms 28 from the fuel and air delivery tube 20. When the pressure of stearn rises (which automaticaity controls the supply of air) so high that insufficient air is supplied to form a corylbustible mixture, a switch 49 is operated to break the circuit of the igniter 23.